internship-playground/src-php/app/internship/batch/UpdateDateTimeInFile.php

<?php

namespace internship\batch;

use n2n\context\Lookupable;
use n2n\batch\attribute\BatchInterval;

class UpdateDateTimeInFile implements Lookupable {

	public function _onTrigger() {
		// gets called every time the batch job is triggered
	}

	public function _onNewHour() {
		echo 'one hour passed';
	}

	#[BatchInterval(new \DateInterval('PT15M'))]
	public function every15Min(): void {
		// gets called every 15 minutes
		file_put_contents('currentTimeSetByBatch.txt', date('d-m-Y-H-i-s'));
		echo '15 minutes passed';
	}
}